Do the Job Right with Eastwood's high quality impact sockets. Eastwood's 3/8Inch Drive 16 Piece SAE Standard and Deep Impact Socket's rounded inner socket walls reduce fastener rounding by increasing the surface area at the points of contact, alleviating stress on fastener corners. Our sockets are forged from durable chrome molybdenum steel for strength and coated with black oxide for corrosion resistance. We tested these sockets against the best, and you'll agree its performance compares positively to the leading national brands, just like you'd expect from Eastwood. Comes in a blow molded case.